_:vb51209886	<http://www.w3.org/ns/r2rml#column>	"ProductID" .
_:vb51209886	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"92" .
_:vb51209885	<http://www.w3.org/ns/r2rml#graph>	<http://demo.openlinksw.com/schemas/claude_northwind#graph> .
_:vb51209885	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"90" .
_:vb51209885	<http://www.w3.org/ns/r2rml#predicate>	<http://schema.org/orderItemNumber> .
_:vb51209885	<http://www.w3.org/ns/r2rml#objectMap>	_:vb51209886 .